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annotate rdfn3/af-MIRToolbox.n3 @ 18:d5012016bf64 tip

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added rdfpy and rdfonto directories
author nothing@tehis.net
date Tue, 23 Apr 2013 11:49:20 +0100
parents 62d2c72e4223
children
rev   line source
nothing@0 1 @prefix MIRToolbox: <file:///Users/alo/MusicOntology/features/rdf/> .
nothing@0 2 @prefix dc: <http://purl.org/dc/elements/1.1/> .
nothing@0 3 @prefix local: <http://sovarr.c4dm.eecs.qmul.ac.uk/features/> .
nothing@0 4 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
nothing@0 5
nothing@0 6 MIRToolbox:Attack a rdfs:Resource ;
nothing@0 7 dc:description "estimates the beginning of the attack phase of a note by locating the local minimum before the maximum corresponding to the onset" ;
nothing@0 8 local:tag "Timbre" ;
nothing@0 9 rdfs:comment "These can have start time *and end time*" .
nothing@0 10
nothing@0 11 MIRToolbox:AttackLeap a rdfs:Resource ;
nothing@0 12 dc:description "estimates the amplitude difference between the beginning and the end of the attack phase" ;
nothing@0 13 local:tag "Timbre" .
nothing@0 14
nothing@0 15 MIRToolbox:AttackSlope a rdfs:Resource ;
nothing@0 16 dc:description "average slope of attack phase, computed either as a simple ratio, or a Gaussian-weighted average to emphasise the middle of the attack" ;
nothing@0 17 local:tag "Timbre" .
nothing@0 18
nothing@0 19 MIRToolbox:BeatSpectrum a rdfs:Resource ;
nothing@0 20 dc:description "a measure of acoustic self-similarity as a function of time lag, computed from the similarity matrix" ;
nothing@0 21 local:tag "Rhythm" .
nothing@0 22
nothing@0 23 MIRToolbox:Brightness a rdfs:Resource ;
nothing@0 24 dc:description "The proportion of energy above a given frequency" ;
nothing@0 25 local:tag "Timbre" .
nothing@0 26
nothing@0 27 MIRToolbox:Chromagram a rdfs:Resource ;
nothing@0 28 dc:description "shows the distribution of energy along the pitches or pitch classes" ;
nothing@0 29 local:tag "Tonality" .
nothing@0 30
nothing@0 31 MIRToolbox:EventDensity a rdfs:Resource ;
nothing@0 32 dc:description "estimates the average frequency of events, i.e., the number of note onsets per second" ;
nothing@0 33 local:tag "Rhythm" .
nothing@0 34
nothing@0 35 MIRToolbox:HarmonicChangeDetectionFunction a rdfs:Resource ;
nothing@0 36 dc:description "the flux of the tonal centroid" ;
nothing@0 37 local:tag "Tonality" .
nothing@0 38
nothing@0 39 MIRToolbox:Inharmonicity a rdfs:Resource ;
nothing@0 40 dc:description "the amount of partials that are not multiples of the fundamental frequency, takes into account the amount of energy outside the ideal harmonic series" ;
nothing@0 41 local:tag "Pitch" .
nothing@0 42
nothing@0 43 MIRToolbox:Irregularity a rdfs:Resource ;
nothing@0 44 dc:description "The degree of variation of the successive peaks of the spectrum" ;
nothing@0 45 local:tag "Timbre" .
nothing@0 46
nothing@0 47 MIRToolbox:Key a rdfs:Resource ;
nothing@0 48 dc:description "The best candidate key" ;
nothing@0 49 local:tag "Tonality" .
nothing@0 50
nothing@0 51 MIRToolbox:KeySOM a rdfs:Resource ;
nothing@0 52 dc:description "Projects the chromagram into a self-organizing map" ;
nothing@0 53 local:tag "Tonality" .
nothing@0 54
nothing@0 55 MIRToolbox:KeyStrength a rdfs:Resource ;
nothing@0 56 dc:description "The probability distribution across possible keys" ;
nothing@0 57 local:tag "Tonality" .
nothing@0 58
nothing@0 59 MIRToolbox:LowEnergy a rdfs:Resource ;
nothing@0 60 dc:description "percentage of frames showing less than average energy" ;
nothing@0 61 local:tag "Dynamics" .
nothing@0 62
nothing@0 63 MIRToolbox:MFCC a rdfs:Resource ;
nothing@0 64 local:tag "Timbre" .
nothing@0 65
nothing@0 66 MIRToolbox:MIDI a rdfs:Resource ;
nothing@0 67 dc:description "estimates MIDI note value based on segmentation and pitch detection" ;
nothing@0 68 local:tag "Pitch" .
nothing@0 69
nothing@0 70 MIRToolbox:Mode a rdfs:Resource ;
nothing@0 71 dc:description "Major vs. Minor, calculated as the strength difference between the best major and best minor key candidates" ;
nothing@0 72 local:tag "Tonality" .
nothing@0 73
nothing@0 74 MIRToolbox:NoteOnset a rdfs:Resource ;
nothing@0 75 dc:description "note onset times" ;
nothing@0 76 local:tag "Rhythm" .
nothing@0 77
nothing@0 78 MIRToolbox:Pitch a rdfs:Resource ;
nothing@0 79 dc:description "Pitch estimated via ACF, autocorrelation spectrum or cepstrum, or a combination" ;
nothing@0 80 local:tag "Pitch" .
nothing@0 81
nothing@0 82 MIRToolbox:PulseClarity a rdfs:Resource ;
nothing@0 83 dc:description "estimates the rhythmic clarity, indicating the strength of the beats estimated by the tempo function" ;
nothing@0 84 local:tag "Rhythm" .
nothing@0 85
nothing@0 86 MIRToolbox:RMSEnergy a rdfs:Resource ;
nothing@0 87 dc:description "root mean square energy" ;
nothing@0 88 local:tag "Dynamics" .
nothing@0 89
nothing@0 90 MIRToolbox:RhythmicFluctuation a rdfs:Resource ;
nothing@0 91 dc:description "Rhythmic periodicity along auditory channels" ;
nothing@0 92 local:tag "Rhythm" .
nothing@0 93
nothing@0 94 MIRToolbox:Rolloff a rdfs:Resource ;
nothing@0 95 dc:description "The frequency below which 85% of the energy is contained. The percentage may be user-chosen" ;
nothing@0 96 local:tag "Timbre" .
nothing@0 97
nothing@0 98 MIRToolbox:Roughness a rdfs:Resource ;
nothing@0 99 dc:description "The average dissonance between all pairs of peaks in the spectrum" ;
nothing@0 100 local:tag "Timbre" .
nothing@0 101
nothing@0 102 MIRToolbox:SpectralFluxOnsetDetectionFunction a rdfs:Resource ;
nothing@0 103 dc:description "Use peaks of spectral flux to detect onsets" ;
nothing@0 104 local:tag "Rhythm" .
nothing@0 105
nothing@0 106 MIRToolbox:Tempo a rdfs:Resource ;
nothing@0 107 dc:description "derived from calculated onsets with ACF, spectrum or both" ;
nothing@0 108 local:tag "Rhythm" .
nothing@0 109
nothing@0 110 MIRToolbox:TonalCentroid a rdfs:Resource ;
nothing@0 111 dc:description "Calculates the 6-dimensional tonal centroid vector from the chromagram" ;
nothing@0 112 local:tag "Tonality" .
nothing@0 113
nothing@0 114 MIRToolbox:ZeroCrossingRate a rdfs:Resource ;
nothing@0 115 local:tag "Timbre" .
nothing@0 116